Completely failing to do anything about stopping the piracy because all of these games have been pirated already, but punishing paying customers with shitty DRM? Brilliant!
Phrenology, voice stress analysis, lie detectors, etc. - There's a long list of things that don't really work being used by law enforcement to help put lot of innocent people in prison.
Fingerprints might not be on the same level of fraudulent bullshit of the above, but they also shouldn't be the unquestionable end-all be-all of proof either.
I haven't noticed any slowdowns with Firefox and Ublock Origin.