Notwithstanding that the article was actually about politicians not representing their citizens’ interests and not about what amounts to the free speech rights

Notwithstanding that the article was actually about politicians not representing their citizens’ interests and not about what amounts to the free speech rights of corporations, your suggested solution of more free speech belies the fact that the funding of this ‘free’ speech isn’t in any sense equal. Moreover in a republic, we are already funding our representatives to speak on our behalf.