I believe Gentoo supports multiple init systems, but it's definitely a challenge no matter what.
Portage is the best package manager out of any distribution.
There are no buts. Gentoo is awesome.
...granted, my potato only has an i7-6700 Skylake with 4 cores+hyperthreads for 8 threads at 3.40GHz, it's not one of those AMD Ryzen things, but still: I'm not running GNU/Linux because I want to buy a new PC every year.