I got one a few months ago. I guess the updates will stay for the next 5/7 years (shitty guess) as long as GrapheneOS stays on Android 15, but my next phone will not be a Pixel if Google does shit like that.
Google just lost themselves 900€
I bought a cheap Pixel 8a, no need to pay the full price unless you need big emulators.
For the past 10 years (or so), reddit and lemmy users have been complaining about the updates on their Google or Samsung phones, which confirms that they use the pre-installed OS and don’t even think about switching to another OS.