The first amendment to the United States Constitution reads Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof The idea is to keep governmental powers independent from private religious beliefs.
VOA: special.2010.03.05
Limiting expenditures or donations, or opening the disclosure process, in no way violates the first amendmentor implies government censorship.
His current manoeuvrings could enlarge his coalition to the point where the opposition no longer has enough votes to launch a no-confidence debate or block a constitutional amendment.
Simply, there is no consumer benefit, competitive justification, or First Amendment free speech right to engage in deceptive practices for financial gain.