You > Your priors probably need updating as natural immunity as the OP describes appears to be much more robust, esp compared to the J&J after a year.
Me > Though I'd still look at the numbers to check if vaccines reduce infection rates and rate of spread.
Thankfully I said that already.
> Also vaccinated people spread delta, so everyone is getting it on some time scale.
That's not guaranteed, though. Just like not everyone on the planet will ever get all the strands of flu or cold or whatever. Through natural immunity + vaccinations at some point the disease can just die down and through a simple rotation you could avoid it (i.e. everyone else gets it at a time when you're not around so you're spared).
Plus the time scale is important. In November 2019 we didn't have any vaccines, now we have 4 that are approved on a wide scale (Pfizer, Moderna, J&J, AZ) plus a bunch of others with widespread usage but a less stellar reputation (Sputnik, the Chinese ones) plus another bunch coming soon <<and>> this very topic is about a drug for curing it. And another slightly less effective drug has also been approved recently, from Merck. That's... 24 months after the initial outbreak. Who knows what 24 more months will bring?