to tar with the same brush

[simcog87]

hello everyone!
does "tar with the same brush" mean "to generalise" ??......
can i say "you can't tar everyone with the same brush"
are there any other similar idioms or expressions
thank you in advance

[euncu]

Source:tar - Idioms - by the Free Dictionary, Thesaurus and Encyclopedia.

tar somebody with the same brush

to believe wrongly that someone or something has the same bad qualities as someone or something that is similar (usually passive)

I admit that some football supporters do cause trouble but it's not fair that we're all being tarred with the same brush.