The Jedi Temple was left hollow and untouched. It remains standing in the Coruscant skies as a reminder of what can happen to those who oppose the empire. The Jedi are a scarce group of people, if they aren't dead they are being hunted down or simply hiding out on some sort of backwater planet.
The Senate is not at all the same, senators have their own voices but if they advocate for anything other than the Empires ways they'll be silenced. Those who dare speak out against the tyrannical methods see their worlds suffer through blockades, trade embargoes, or, at worst, militantly occupied by the heavy-handed garrisons of the now-aging clones and the new generation of replacements.
The Empire has eyes in every corner. From the Inquisitors to the more common, but just as secretive Imperial Intelligence Branch. Its agents rooting through the core and outer worlds looking for acts of treason, sedition, or discontentment. To harbor even the thought of Rebellion was tantamount to a death se