cats

No, no, he's inspecting the polish. As in they had their floors polished and he is the inspector. They have to do that as they have a lot of Polish employees.

I believe it is intended as a common human connection. American or Polish, we all find cats funny, and picture worthy.

I thought for a minute that they were referring to the polish coat on the hardwood and that your comment was satire lol

As an American, European accents bring me great joy, unironically. I couldn't even tell you why. Maybe I'm out of line, but I love this blurb more with this information.

This is a very wild guess, but I recall there being some resentment towards Polish immigrants in the UK on the basis of "they took our jerbs!", especially ones working in utilities. So my thought was that this could be a in a small way an attempt to counterbalance this characterisation. See? Polish repairmen are cool!

Of course, the whole thing was a long time ago, long before brexit, the girl tweeting this may not even be from the UK, etc etc. But there could be a reason along these lines, who knows?

Maybe to explain the misspelled "waitching"

Well they do sound like a blender and some might think they are broken.

Polish is prone to splitting