PFT has stated the case most concisely.
The process is invalid on its face. No matter who is "canonized" under such a wretched system, he may not be taken seriously as a matter of faith.
Bottom line: This was the only way the Revolutionaries could possibly insure their perpetuation, by dint of a "spiritual PR" campaign to legitimize their liberal/Modernist "idols" from the Revolution and, thereby, themselves.