Wikipedia infaillible ? No!
Britannica contains many inaccuracies, Wikepedia as well, however, studies have confirmed that in general, Wikipedia was better than Britannica.
If you think something is incorrect on Wikipedia, BY ALL MEANS, TAKE 5 F'ing MINUTES and CORRECT IT!
I cannot stand this BS you spread!
Be my guest, go and try to correct something on Britannica ... good luck!