It depends on the language. You conveyed Galvin's pay cut as a fact. My post, that you replied to, contained assertions of fact as well as clear opinions:
Opinion
Assertion
Opinion
Assertion with probabilistic language, where the probability ('might' in this case) is an opinion
Opinion
Assertion
Assertion
Feel free to challenge any of these assertions or opinions, but recognise that opinions cannot be proven or disproven. If you disagree you can at best show why. At worst, just play the man, which seems to be preferred around here.