If there was a demand they would find a way to make them fit. Even mini towers with a 5.25 support a front 240 mm rad. A single bay doesn't limit cooling, once you start sticking multiple ones in then yes
velcro in those spots and tuck #1 wire under the velcro, #2 finish tucking into that bottom corner. thats it, if the q wasnt rhetorical and its plenty good as is...
Everything depends on the price and how much you can get it for.
In my experience the i7 K CPUs are still expensive many years later, and it's not worth it.
A i3 10100 has similar performance to a i7 7700k. New mobo + 10100 might be cheaper. If...