Thought about it a little more: a hypothetical "EOS R7" with body like EOS R and e.g. a 28MP DP-AF APS-C sensor and full-bore 10fps with AE and AF-tracking with "no caveats, no footnotes, no hidden limitations" ... [and 4k/60 and dual SD UHS II card slots
] ... priced like a 7D III DSLR, well below FF EOS R - say 1699,- to 1899,- range
with the following lenses
* EF-S 10-18 for wide-zoom
* EF-S 17-55 / 2.8 for standard zoom
* EF-S 24/2.8 pancake to go fairly small and discreet
* EF-S 60/2.8 macro as close-up and portrait lens
* EF 70-200/4 L IS [Mk. I] for short tele zoom and/or
* EF 100-400 II as long(er) tele zoom
could be a rather nice setup
Lots of EF-S lenses are available second hand in "very lightly used, excellent condition" for very little money. So one could build a killer "low-cost/high capability" crop setup. With faster glass than most EF-M lenses and body/grip size more to the liking of those who find EOS M camera bodies too small for their hands or for use with bigger lenses.
Note to myself: maybe I should take a 17-55 from the hands of some fellow who has hardly ever used it. Just in case.