@gsuberland I guess, to me at least, it depends on what you make of it.
There are containers that lean into the possibilities (an executable along with the absolutely required dependencies, maybe a dozen megabytes or two) and then there are "containers" that are just virtual machines in disguise (a full Ubuntu installation + runtime environment, source code and the aforementioned build system, so maybe a gigabyte)..
I think the former are a decent way to package services (but not tools).