Perry didn't, The Reagan years is when he chose to become a Captain for the Democrats, a 1984 Congressional Democrat candidate, and Al Gores's campaign manager against Reagan's veep in 1988.
To be fair, the Al Gore of 1988 didn't look much to his fellow Southern congressmen like the Al Gore of later years. If they were wrong, it was a common perception.
And a lot of Reaganites weren't crazy about the prospect of George H.W. Bush in the White House. I'm not sure they were entirely wrong.
I'm not exactly disagreeing with you, just saying that it's possible to overstate the case against Perry.
Rick Perry became “Al Gores’s campaign manager against Reagan’s veep in 1988.” Question: What transformed Rick Perry in the 1990s?