All view points should be represented at the table? Otherwise you have an echo chamber?
Should we allow the view point that the earth is flat and the sun rises in the west? Otherwise, we end up in an echo chamber of people agreeing the earth is round, and the sun rises in the east.
Discrimination against 'conservative scholars' should not be about being conservative, but about being scholars. Is the earth round? Does the sun rise in the east? Does your policy idea fit the facts, or do you want to make up facts to fit your policy ideas?
Is it bad to say reality has a liberal bias? Well, I suppose, it's okay to say that if it turns out to be true.
It's not to discriminate against people's values. But policies that are contrary to clear evidence. Creation or manipulation of evidence to fit policies. No matter which political party engages in this fact shaping and evidence manufacturing.