We can both condemn the actions of a historical figure and also respect them for their achievements that did good. By trying to erase history we cannot learn from it.
There are significantly more important issues affecting us. Who cares about the name of a telescope when homelessness and socioeconomic inequality prevents many from even having a decent quality of living?
Our lives are not infinite, public action is not infinite. choose what you're going to spend it on. Twitter doesn't count.