Politically, trying to exempt farm equipment from the clean air act to try to bias the rural vote to a more republican side of the ballot.

The party that is against everything and for nothing needs a "win" to campaign on for their rural voters. Throw JD under the bus at home and hope the weakening dollar makes up for it increased exports.

How can the alignment of Right to Repair and Republicans not be obvious?

The self-made John Galt who "makes do" without government assistance by repairing all of his things himself, especially his old American muscle car that "they don't make like they used to anymore" is a fantasy that resonates so strongly with the right wing that the FBI might as well just use it to screen for domestic terrorists.

If the companies could sue you because you went to another store and bought something cheaper, they would, for sure

It allows farmers to roll coal if they say it's needed for a repair. So environmental destruction is the angle here.