Conversation so far:
What did Elbridge Gerry's view of the Connecticut Compromise equal to?
What did the Connecticut Compromise's adoption lead Elbridge Gerry to?
Gerry further proposed that senators of a state, rather than casting a single vote on behalf of the state, vote instead as individuals
What did the proposed proportional apportionment of the House of Representatives mean for Elbridge Gerry?
Gerry was also vocal in opposing the Three-Fifths Compromise, which counted slaves as three fifths of a free person for the purposes of apportionment in the House of Representatives
What was the big problem with the Three-Fifths Compromise for Elbridge Gerry?
Three-Fifths Compromise would gave southern states a decided advantage.
What did Elbridge Gerry try next regarding indirect elections for the lower house of Congress?
Gerry also advanced numerous proposals for indirect elections of the President of the United States, most of them involving limiting the right to vote to the state governors and electors.

Question: Why did this cause him concern?
Self-contained rewrite: Why did the proposed Constitution cause Elbridge Gerry concern?