I'd put it a little differently, that his innate I-wanna-be-in-The-Cool-Club RiNO finally broke cover, and now he's out in the open.
The Pew Sociology Survey warned us about these guys nearly 15 years ago: on 2A issues, they've got "CAVE" written all over them. They're the closest thing we've got to English country squires and snobbish toffs.
Lord save us from rich RINOs. Ironically, the liberals think the rich are evil, and indeed they are. Many of them are decadent liberals.