At this point my prior is that all these 300/ns projects are some kind of internal tools, with very narrow scope and many just for a one-off use.
Which is also fine and great and very useful and I am also making those, but it probably does not generalize to projects that require higher quality standards and actual maintenance.
Places that aren't software businesses are usually the inverse. The software is extremely sticky and will be around for ages, and will also bloat to 4x the features it was originally supposed to have.
I worked at an insurance company a decade ago and the majority of their software was ancient. There were a couple desktops in the datacenter lab running Windows NT for something that had never been ported. They'd spent the past decade trying to get off the mainframe and a majority of requests still hit the mainframe at some point. We kept versions of Java and IBM WebSphere on NFS shares because Oracle or IBM (or both) wouldn't even let us download versions that old and insecure.
Software businesses are way more willing to continually rebuild an app every year.
Which is also fine and great and very useful and I am also making those, but it probably does not generalize to projects that require higher quality standards and actual maintenance.