Hmm, as a Ruby dev my experience differs vastly.

In a context where I'm working on a few languages regularly and among a larger set of languages that coworkers are in charge of, I can see how Ruby has solved a ton of problems that other languages are still struggling with.

- package management: bundler/rubygems has been a sa-holved problem for the longest time whereas npm/yarn is an unholy mess, python is only beginning to see the light after refusing for so long, go mod is kind of a step in the right direction but still falls short in others, cargo is an outright copy but tries too hard to also be rake, a distinct problem making it a kintchensink... Gemfiles being descriptive, one can generate lockfiles from their platform including information for a foreign one and it's going to resolve consistently, including corner cases like this gem has a transitive dependency on a ruby extension and this platform has a binary gem at that version but that platform can build from source at that other version so I'm going to pick the one that's consistent and respects the constraints that have been described, or bail out and yell at you. This makes using semver-like squiggly a breeze and a non-event.

- build tools: scons, cmake, ninja, doit & al. feel both incredibly complex and limited compared to rake. Every single time build files end up becoming obscure behemoths. When they don't they're incredibly focused on one thing but to make them to anything else they become a hodgepodge of additional external scripts and have to rely on so many tricks and hacks, which is why I used to stick to make. People seem to also have forgotten that rake can perfectly replace make as well, but rake can do so much more and still present a consistent interface and task implementation.

- testing: minitest/test, minitest/spec, spec are running circles around any other test framework. The composability of reusable contexts, nested cases, and shared examples allows one to cover a ton of behaviours with very little test code that is eminently descriptive. Just the other day I did a deep reflector of some part of the code, and I only had to change a bunch of helpers as to how things should operate, and the entirety of my functional test suite was literally a zero-line diff.

- talking to browsers: capybara is still my go-to to automate browsers, whether in tests or not, headless or not. It's just way too easy.

- linting: Rubocop has a metric ton of tunable checks to enforce your preferred style and optionally auto fixes a lot of violations, standardrb takes a tab from gofmt by giving you some sane community defaults for Rubocop and thus autoformats by default. Rubocop is easily extensible, either you pull things and can lint rakefiles, Rails, spec and whatnot, or if you have special cases you can write your own cops.

- typing and LSP: forget Sorbet, RBS+Steep is the way. RBS can generate typed skeletons either statically or dynamically using typeprof; ideally if you have good coverage you could run tests using typeprof and have automatic typing generation that can then be used entirely statically. Then the `rbs` command then allows you to statically ask a ton of questions about types but it's not a linter by itself, that's where Steep comes in. Steep comes with a LSP and it Just Works: autocompletion, inline type information, and so on. Type signatures can be packaged within gems, but if they're not there's rbs_collection, which also integrates with bundler.

So I'm not too sure what you're referring to as "tooling" that would be primitive when compared to other languages when in my mind it's the other languages that constantly play catch-up ;)