but even well coded Plugins need update.
Why? I mean, aside from authors verifying that their code works on the current version of WordPress (which is encouraged) what does that accomplish?
My suggestion is to remove any Plugin which has not been updated for several years or if they use any functions which have been deprecated.
That's just not necessary. See this plugin?
It works. But the plugin page cautions users that it's not been updated in over 2 years. I believe that your WordPress dashboard won't offer that plugin but I've not checked that myself.
If a plugin somehow harms an installation then that can be reported. But just removing plugins arbitrarily due to age by itself isn't productive.