I agree. Talk of overhauling the Constitution on this scale scares the hell out of me. Be careful what you wish for.
Scope and scale are an issue for the attendees. The purpose of the Convention of States is for the people to regain and retain their government; to snatch it back from those who have subverted this grand experiment.
Passage of a PROPOSED Amendment at CoS does NOT guarantee it’s adoption by the nation at large as all that issue from CoS must still be ratified, in the manner prescribed in the Constitution.
There are a number of valid concerns, IMO, that could be addressed in CoS:
1. Balanced Budget amendment, with NARROW allowance for deficits.
2. Definition of NATURAL BORN CITIZEN spelled out; progeny of one or two US Citizens, birth anywhere in the world; address ‘anchor baby’ issue.
3. Term Limits for House (4 terms), and Senate (2 terms).
4. Define Presidential Electoral Votes to be cast by Congressional District, for the popular vote winner in the district, and one for each Senator, cast by the popular vote in the State.
And likely a couple more, perhaps.
The Constitution has may systemic problem that socialists/globalists/state-ists are exploiting. They need to be corrected or the the thing disregarded.