Earlier quoted context omitted.
I agree with the other poster who says it's mature, not in decline (so maybe that's boring to the crowd that likes to always hop to the latest tech). Basically most of the kinks have been fixed and desired features have been added, and now it's about gradual improvements and adding new functionality as it comes. Students also commonly learn Python and Javascript in college and are probably more active on social media…
> It used to get accused of scaling poorly, but tell that to Github, Gitlab, and other large-scale sites with millions of users. I've worked on one such large-scale enterprise-level web app, and it really does scale poorly in some areas, specifically database management. ActiveRecord tends to get extremely expensive when db's take on large amounts of records and complex relationships start forming between those large…
```
User.joins("left join ponies on ponies.user_id IN (select id from foobars where user_id=users.id").group("so_funny").count
or I could have a policy to avoid joins at all cost and reject any commit that uses a join and get fun things like:
```
users = User.all # all fucking hell
JSON.parse(HTTP.get("http://your-things.json"))['results'].select {|r|
users.detect {|u| u.id == r['user_id'] } # for realz??
}
[edit]: cause formatting