They built and sold very few RAV4 Primes in 2020 (1070 in the US) -
US: In 2020, Toyota Sold 3,200 RAV4 Prime
I've owned two (lol - long story)... but only got them because of end of year push here in FL. They were NOT available in FL before late summer 2021 as they primarily went to ZEV states and are still not available in many states.
Toyota for some reason simply won't or can't build enough of them and doesn't seem to be interested in ramping up another factory. Tesla is an EV manufacturing behemoth compared to other carmakers - who are struggling with producing EVs/PHEVs at scale.
Though, it does seem Tesla is struggling to ramp up 4680 cell production.