[pixl97]

It's likely it always had been, but the limitations have always been costs.

But we know if the ever increasing power of compute that problems limited by cost of compute get solved all the time. "Way back in the day" we'd have never really tried to crack passwords on 486's. For example, theses days we're throwing ever more complicated algorithms and requests on the user to ensure the password isn't quickly broken if the cyphertext is stolen.