I’m not the one who said doing what is in the article was illegal. I’m the one saying that it is not illegal. Sorry that I have not memorized the entirety of voting law. If you want a legal opinion, go search a fucking law blog. Law is generally not black and white which is why there are legal opinions on every law but if you want the one referenced, it is 52 U.S. Code § 10307 section C:

© False information in registering or voting; penalties

Whoever knowingly or willfully gives false information as to his name, address or period of residence in the voting district for the purpose of establishing his eligibility to register or vote, or conspires with another individual for the purpose of encouraging his false registration to vote or illegal voting, or pays or offers to pay or accepts payment either for registration to vote or for voting shall be fined not more than $10,000 or imprisoned not more than five years, or both: Provided, however, That this provision shall be applicable only to general, special, or primary elections held solely or in part for the purpose of selecting or electing any candidate for the office of President, Vice President, presidential elector, Member of the United States Senate, Member of the United States House of Representatives, Delegate from the District of Columbia, Guam, or the Virgin Islands, or Resident Commissioner of the Commonwealth of Puerto Rico.

So very likely yes, if Musk was paying people to pledge to vote for Trump, it would be illegal and would be punished by up to five years in prison. Paying people to pledge support for free speech, the 2nd Amendment, and the Constitution would not be.

Happy?