Mr. Tamas said this was an overly simplistic view of the 2016 outcome, which he has studied. Many of the people who voted for Ms. Stein were unlikely to have voted for any other candidate. Some would have picked Mr. Trump if she had not been on the ballot.
The last real spoiler supported by evidence, Mr. Tamas said, was … in 2000

Silver lining here - all the money the GOP is spending to spoil the election has gone to waste if this is correct.

Actually, even better,

it was difficult to determine whether Mr. Trump or Ms. Harris will benefit most.

Meaning there’s a chance that the GOP spending here turns out to rather ironically help Harris!

That’s all they’re good for.