The most important thing to note is that 3DS sales rate had already peaked well before this 33 month point. Meanwhile Switch sales are currently accelerating. Lifetime, Switch is going to easily blow the 3DS away.
curl-6 bet me that PS5 + X|S sales would reach 56m before year end 2023 and he was right.
My Bet With curl-6
My Threads:
Master Thread, Game of the Year/Decade
Switch Will Be #1 All Time
Zelda Will Outsell Mario (Achieved)
How Much Will MH Rise sell?
My Bet With Metallox