What Has Boris Johnson Done to the House of Lords Denuded, Undermined?

I use that word too much when I'm talking about Boris Johnson. What's he done to the House of Lords by just filling it? Filling it with another word lost now. Tarnished is two mild keys. Looted doesn't quite work. Polluted is good. Maybe better. De-graded. Infested. Contaminated. Soiled. Sullied. That car. My team are amazing today. You'll be able to hear all these words that have been said in my ears. Honestly, who would work for me? Abused? De-based. Is that the one? Did you say debased? No, you didn't. Spaffed