Let's not get started with that... those same people also say "viertel nach drei" to mean 3:15 (one quarter after the "third hour" has passed), which is really confusing to the uninitiated, so "viertel vier" is preferable IMHO...
Yeah? Well, you know, thats just like uh your opinion, man.
I run ublock in all my browsers and devices, but other people on my network (family) don't, so pihole helps there. Its really not an either-or question, they are complementary.