These are the devs who need to download a library to pad a string remember
HN is traditionally pretty hostile to that sort of attitude which is why you keep getting downvoted.
In other words, limiting resource usage and cost is the whole point of the game. Yes, you can solve it by throwing a fancy expensive CPU at it, but that’s not necessarily good engineering.
The 68030 and above did come with MMUs, except for low-cost versions of the chip.
Why do I remember this stuff? I was a big Motorola fan back in the 90's (Amiga especially)
You may be thinking of the original MacOS.
I did quite a bit of Amiga C in the early 90's, late 80's and resource management, including memory and files, was all quite manual. Maybe in 4.0 it got something better? I stopped working with the platform by then...