What exactly do you mean by that?
Earlier on, it might have referred to an attitude that we should build up immunity just by letting it spread, rather than waiting for vaccines first, to make it a less risky strategy.
We now have a population that is about as vaccinated as it's going to get, and seemingly fairly good evidence that the combination of this and the Omicron variant mean that hospitalisation and death rates are nothing like what they were a year or so ago. What do you want to happen instead? If it's further restrictions then what's your threshold for lifting them?
We can still point out the similarities between the original plan a and the 'herd immunity justification' that went with it, and the approach the government first set out almost a year ago and then acted upon from approximately July 2021 onwards.
However if we scratch below the surface then the original 'herd immunity' thing doest actually apply anyway - the concept of herd immunity involves immunity in the general population having reached levels which makes it hard for the virus to persist at high levels, therefore protecting those who still dont have immunity, by denying the virus many opportunities to reach those people. We clearly dont have a situation where that sort of protective effect is actually in play, due to reinfections and vaccine breakthrough. Perhaps we will get there one day if the evolution of the virus slows and we end up with new vaccines that can do more on the transmission and infection front, perhaps not.
Whether that should make any real difference to the chosen government approach these days depends on whether genuine herd immunity was actually a real part of the original approach, or whether it was just a fake justification used to justify a 'do little' approach at the start of the pandemic.
So with real herd immunity not currently on the agenda, we have different framing involving 'endemic levels' of the virus instead, and protection against severe disease and death. And when people mention herd immunity its just sloppy short-hand, what people are really talking about is how similar the approach is to the original favoured approach, the orthodox approach before authorities realised that they would need lockdowns etc to make the numbers add up. When it comes to severe disease and death, I have very much moved with the times now in that I acknowledge that the numbers game is very different now. Authorities in many countries figure that their original preference for dealing with this virus, pharmaceutical measures rather than heavy non-pharmaceutical measures, is now increasingly viable, for now at least. I'll still feel the need to point out that there can still be future setbacks to the progress made, in theory new variants or vaccine waning can still change the numbers game in a negative way in future. I would not have us all sitting at home in the meantime, but neither would I push rhetoric about it all being over too far. Nor would I want to forget all about those who remain vulnerable, or pay absolutely no attention at all to high levels of viral prevalence, since those increase the future risk of setbacks in my opinion. In practical terms this means I would not be encouraging the abandonment of masks, but its an uphill struggle to get people to take the middle ground and stop seeing things only in binary terms of 'really heavy measures or no measures'. Just as its an uphill battle to get people to still take seriously the health consequences that are not of the same magnitude as the levels of hospitalisation and death seen in the first two waves, every time we get a period of easing of restrictions these milder consequences are brushed under the carpet. I dont think I'm going to be pleased with the level of type 1 diabetes onset that will eventually show up in data for the Omicron period, for example, unless we get lucky and the properties of Omicron also happen to reduce the diabetes risk compared to whats emerging in regards the variants of previous waves triggering diabetes.