Pretty much only native speakers have problems with this, I see this type of mistake far less frequently with those who learned English as an additional language.

I pronounce these all differently though? [wɛɹ], [wəɹ] and [wiɹ]

This one has also bothered me because I pronounce all three of these differently.

Where, were, we’re.

I never had a problem with those, until I started with stuff like Reddit.

Now, I find myself making the mistake and catching it in proofreading.
Guess my brain is starting to age too.

There, their and they are...