Sure, but some people do have problems with attacks such as this one . . .

l vs I

or

0 vs O

or

rn vs m

or

b vs ḅ

Maybe you can see the difference, but not everybody is checking every letter and most people don't even look at the website name when the website looks how it should looks like. Bookmarking a site can totally help against this.

Sincerely,
@Mysteor