It is not unconstitutional for Congress to require that a new constitutional amendment must be passed within a certain time.
Like the scholar from whom I got these ideas, I support the ERA. I just don't think it's been ratified in the Constitutional sense. https://reason.com/volokh/2025/01/17/bidens-dubious-declaration-that-the-equal-rights-amendment-has-
been-duly-ratified/
The pardons will be challenged ...
No they won't. Pardon is a core presidential power. The reason for exercising the power cannot be questioned. Thank the Buffoon for that.
Also lawyers are drafting class action civil suit ...
Not likely. Two fundamental elements of class actions are numerosity and commonality. The first might be met. The second probably not because criminal cases and illnesses are too individualized.