Not in the least. All of the entities you mentioned, other than Trump either have public availability of their financials or, Hillary, have volunteered them.

This IS about the customary release of presidential candidates' tax returns, by the candidate, going back to Nixon.

Thought experiment. Would you be so understanding of a non-release of Clinton's tax returns?

Please, the amount of shit that would be lost by Republicans would have them on nutritional IV's!