It’s not hypocrisy when everyone knows you’re exercising raw political power with a flimsy excuse. It’s disingenuous, but not really hypocritical. If Democrats controlled the senate right now, does anyone really think they would hold hearings, regardless of what happened in 2016. If Republicans had said then that they are not holding hearings on garland because they didn’t have to, and said now they were confirming Barrett because they could, they wouldn’t be hypocritical, they’d just be more honest.
As an aside, I seriously wonder if republicans will be happy with Barrett in 10 yrs, or even 6 weeks.