However from the various articles I have been reading on the Ryzen memory issues it doesn't seem to affect the fps values being recorded in games that much. Does that seem right to anyone who has already been down this path?
Quite the opposite. Memory speed has a decent effect on Ryzen performance. For example:
https://www.purepc.pl/pamieci_ram/j..._amd_ryzen_5_test_ddr4_21333200_mhz?page=0,11