You're not wrong about the issues involved, but the way you went about it was attacking Backupify, not directly for bad security practices, but indirectly through the "Backupiphish" scare-mongering.

And as for your accusations, you started with setting up a hypothetical company that looks like them and commits massive bank fraud, then saying that it "has nothing whatsoever to do with Backupify. No sir, not at all. Pure coincidence." If you want to make those accusations, back them up. If not, write a post about their bad security practices, instead of a post about a (hypothetical) web service backup company that's (ahem) entirely unrelated's crime.