That is a really funny question. I started using Emacs a relative short time ago on what I still consider a fast machine - 2001 on a dual-processor Pentium Pro

That is a really funny question. I started using Emacs a relative short time ago on what I still consider a fast machine - 2001 on a dual-processor Pentium Pro at 200MHz with 192MiB of RAM. My phone is one of the lowest-end Android models available today and has a quad-core 1.2 GHz ARM processor and 1GiB of memory. Emacs has not really bloated like other applications over time, it just started out with a lot more feature than workstations in the 1980s (https://en.wikipedia.org/wiki/3M_computer https://en.wikipedia.org/wiki/3M_computer) could handle.