I also heard about Helix and have been curious about it, for the same reason. If I’m going to learn Vim keybindings, it’s because I want to move fast. Tweaking configuration files for an evening is the exact opposite of moving fast.
I very occasionally will add a plugin or tweak something (eg if I want a new snippet or something) but it's really not necessary to have a big complex config and I would say I spend well under 5 minutes per year on config.
I really wanted to like helix but there are a few really fundamental things that are really crucial to most of my workflows that were just missing (eg reflow text) when I tried it.
I also tried the "pure" config from scratch way but its just way too much work to maintain, esp if you want all the goodies. Also, not an expert in Lua so my config sucked. Simply better to use an existing, well-maintained neovim distro. I tried all of them and liked astronvim the best.