All previous versions of windows prior to 10 were fine after their end date
I think we need to be a little more nuanced than this - if e.g. you connect an xp machine to the internet today you're probably going to pick up some malware fairly quickly.
It's really a question of when not if Windows 10 goes bad.
Maybe it will be more like a 'best before' date than a 'use by' date, but I can't really see it makes a lot of sense to take a gamble on this, if you do a cost-benefit analysis.
'Very little of what Microsoft does seems to stop people using Windows.'
Except when changes actually block intended users from installing Windows 11, which seems to be happening quite a bit.
'the linux crowd think they will finally get converts'
Steam is doing a good job of recruitment to the point that it sounds like there have been some modest gains (maybe over 4% of desktops now).
Loss of market dominance in IT isn't new. Remember the Internet Explorer days?
While there is no reason for anticipating a Linux takeover is immanent, this type of thing has happened before:
“There's no chance that the iPhone is going to get any significant market share,” Ballmer
"There is no reason anyone would want a computer in their home" (Olsen DEC)
"At one point in the 1980s, more than 80 percent of the 2,000 largest United States companies used Wang systems" but Wang failed to perceive the threat ...