There are ‘hard’ and ‘soft’ clauses in our Constitution.
Among the hard clauses are those which establish the three branches and the checks which each has over the others. Elections are held every two years. These remain untouched by Scotus.
Almost everything else, (with very little overlap) are soft clauses subject to corruption, especially from Scotus.
When it comes to soft clauses, you are right. A proposed Amendment that merely restates the Framers’ understanding of the commerce clause is a waste of time.
However, repeal of the 17th Amendment would fall into the hard category, something the social justice destroyers on Scotus could not overturn.
The Constitution will continue to be amended. The question is, “by whom,” the Scotus or its master, the Sovereign People?
Who decided this?
When?
Under what authority?
SC decisions are subject to cancellation or reversal by subsequent versions of the Court.