Short bio: Computer Scientist, FOSS supporter (read more)
Tux Machines (TM)-specific
RHEL still remains the fodder for all those academicians and enterprises. For example, if you want pursue a course in Linux you are advised to do RHEL cos that's what enterprises care. Gradually they advise others to learn/use RHEL even for home desktops. Perhaps, that's why RHEL was synonymous with Linux some years back till Ubuntu made inroads with a bang. Given desktop usage, I'd choose Debian over RHEL (I'd play dumb if you ask me about servers, I'm still learning), anytime. Why?
#1 Debian does not have those enterprise crap
Install any version of RHEL and it's contemporary Debian counterpart on dual-booted desktop. Maintain a comparable set of applications. Compare both the installations. You will wonder why RHEL includes those enterprise craps on a desktop installation.
#2 Debian cares for desktop users