Scores don’t matter. GTMetrix/Webpagetest, Certain things cant be optimized (3rd party scripts). What is important is TTFB and first contentful paint. Fully loaded time is not that important if you are running lots of tracking scripts. (provided they are async).
If using well-developed plugins, the plugin counts don’t really matter.
Only issues with using lots of plugins are the potential increase of plugin conflicts, and plugins to maintain.
What matters is your site converts. Nothing else matters if your super fast site doesn’t convert.