No, it’s not good enough to retroactively regret your decision.
Rubio has never been anything but a willing executioner of democracy, a miserable, lying sleaze who simply does what the bigger boys tell him to. Doesn’t have an ounce of of independence or integrity.
Remember how Rubio lisped out his insistence on an imaginary “precedent” for Mitch McConnell’s assault on the Constitution when he denied Obama even a hearing on his nomination of Merrick Garland?
That was in 2016. The Dems had more than enough time to take Rubio’s measure. They chose not to.