Because you actually could say actually in actually any sentence where you’re talking about actual facts.

Because rather than using it before anything, its actually meant to be a contrasting word (like in this sentence)^[1].

Look’s like another word that’s now being used after people have worn out “like…”, “literally…”, “totally…”, etc. No one’s actually using it properly, they just don’t know any other adverbs or adjectives that are actually much better.