Whilst it might be able to work if everybody genuinely believed in the ideals touted by communism and actually did proceed accordingly, IRL it just isn't going to happen, and it will indeed poison any society it infects; because the problem is that even if 98% of those partaking of a benevolent ideology, do follow it faithfully and conduct themselves well, it only takes that 2% where there is a power structure, to be the ones who will make it a priority to worm their filthy ways into it and burrow in like a tick, sucking from the lifeblood of a nation and defaecating lies, propaganda and the germs of greed and hunger for power into the wound.
And it always the worst of the lot that head straight for the places of power, or 'behind the throne' if a decent human being does get into power, trying to sway them, because power is a corrupting influence when most get a taste of too much, and even more, it attracts those who are already corrupt more than it does the human being; IMO thus artificially resulting in the power base of a govt being enriched in power-hungry. freedom hating filth with despotic ambitions, since the positions and posts suited to such things attract the bad apples more strongly than they do the good.
IMO the government of this country cannot be saved, the disease is too entrenched and the only thing to be done is to cut it out like a cancer and after treating the left behind remnant which would in time grow strong again and result in another infestation, replace it with an entirely new, minimalist government, on the lines of having sufficient to run the infrastructure of the country, things like public roads, fire response, NHS, and defense of the country on the international scale, as well as of course, keeping out the bath-dodging koran-smoochers, and do what can be done to further attract trade over and above what we already are (as opposed to arguing over it, in cases such as leaving the EU to wallow in its own corruption, and there being all sorts of utterly moronic disputes about 'whether britain should be 'allowed' to freely trade with the EU mainland, spoken as if doing any other thing than not standing in the way of peoples's trading is something for which there even ever COULD legitimately or sensibly be done, as though NOT 'permitting' such freedom of trade was something which should be tolerated rather than dismissed out of hand as wrong, and as the purely bureaucratic wrongheaded garbage such policies must by their nature be)
A very liberal, progressive model of as close to an anarchy as is practical; featuring a bare-bones governmental infrastructure, just enough to maintain the functioning of the countries vital parts, such as electricity generation and distribution, accountable to the people, run by the people and for the people. And the complete abandonment of any pursuit of any man for a victimless 'crime', because without a victim there can be no crime perpetrated. Those already punished i n some way for a victimless 'crime' retroactively and universally freed, if incarcerated and compensated whether or not incarcerated.