dpcucoreinfo

During the weekdays there's more business communication, newsletters etc. from corporate servers that always lags behind in terms of featurfullness and security.

I don't want to install it (because I don't know you, I don't trust you), and I have no idea what is going on. The description is vague, and the website you point to does not seem to have anything related to it.

If people are willing to pay for reposts who are we to deny them that?

It's complicated: the default fee is a bit like community consensus and this consensus has some inertia. Blockchain and Coinbase might still force you to overpay. Complain by sending support requests. Google: bitcoin default fee