My heat pump is rated for -25C but it certainly doesn’t become useless past that, it heats enough to keep my house at 23C for a day or 2 at -30 without it’s resistive heating kicking in. There are heat pumps rated for -30 though.

That’s only to get the full 10k, for a 2k rebate everyone is eligible I believe.

What is the action this protest is designed to elicit, and how does this protest harm the interests of the person/people who can change that.

it used to rely on Imgur for hosting images, does it not anymore?

People still use imgur, but reddit hosts a fair amount of content directly now. It’s video player is notoriously bad. Imgur has slowly turned into a socia media in it’s own right and is slowly starting to move off reddit (deleting images uploaded by non-account holders for instance).