Incorrect. Quite happily played through Control with RT, and have enjoyed replaying Quake 2 again with RT. Just because it's worthless to you doesn't make it irrelevant. End of the day it's additional features the 5600XT doesn't have at the same price point.
The 2060 has been available under £300 for months, you could pick up the Palit StormX card for ~£279 back in November and that was with 2 games, this is just an
official price drop. Much like how 5700 RRP is still $349 (~£319), but it's been selling for £299 for months.
nVidia drivers aren't perfect, but on the whole they do 'just work', you don't see
hundreds of posts about constant black screening with every 'fix' under the sun ranging from using different power cables, using different monitor cables, turning off option X, enabling option X, undervolting, overvolting, sacrificing a goat... these issues have been plaguing AMD GPU drivers for years. Even more so since Vega.