It's not that seo has taken a nosedive ( I guess, it does depend on whose perspective ) More like, it's become such an hyper-focus on it that we have a bunch of seo-driven drivel destroying the quality of the results.
People mostly figured out how google wants things to rank them high. So they do only that. And a lot of it. Anything that doesn't gets relegated to further down results, or, gasp, the second page. Which means a loss in revenu, so you kinda --have-- to do it, business wise.
Ima need to know more on your local tts. What is it ? What does it do ?
Ngl, I've been thinking of ditching my Google home. Used to be great, now I would barely call it functional. Used to be super easy to play music, setup timers and reminders, ask things, now it works as expected the first time maybe 10% of the time. It's infuriating to use