Conservatives and billionaires absolutely approve of the Commerce Clause.
Overturning Gibbons would allow California to tax all internet traffic coming through LA from the rest of the world, or allow liberal states to seize high-capacity magazines being shipped across state lines.
Imagine Facebook having to pay import/export taxes every time someone accessed their account.
It would be the most impactful SCOTUS decision of all time, and would be absolutely ruinous to the business interests of the wealthy.