And it takes resources, slower than native and lets developers lolligag about upgrading their apps.

I’m well aware of emulation parts of PPC MacOS - including the operating system was running 68K code until OS X came out 8 years after the PPC was introduced. Intel Macs ran PPC code under emulation for a few years.

So should the ARM Mac have emulations for Intel 32 bit/64 bit, PPC and 68K?

Should the iPhone have emulators?