Completely disagree. RCM exploit on nintendo switch is privileged enough and easy enough to let you update your sysnand whenever you want and still be able to load other OS from the sdcard.
I wouldnt even trade not being able to use my switch online on OFW for a software coldboot exploit, rcm...
if you used a cartridge on sx os v11.0 your card reader firmware should have updated, just boot into atmosphere and it should load the game cartridges fine.
If you havent touched nogc option it should be on auto, it s blocked when there is a firmware missmatch, if gamecart and console firmware...
Downloads from sx server are slow but it downloads the file properly and says that everything is ok, i even get slow download speeds with 600mb ethernet connection on pc.
sx updater doesnt work properly. Update to 3.0.1 black screen. Copying on pc worked fine. 3.0.2 update same error, copying the file from pc also fixed it.
v3.0 introduced a new bug, sx os update doesn't work properly.