Dunno, never had much of a problem with creating/replicating environments if the install scripts aren’t broken. And I think the likelihood of running more that one instance of Caspar on a single machine is rather low. For multiple machines, I expect the installer to put the right things in the right places and make sure that all the dependencies are good.
Basically, I’d rather not have another layer of stuff to manage and get in the way. (This is one of the reasons I haven’t bothered with Caspar on linux, requiring me to install and use docker, something that AFAICT takes my time and gives me no benefit.)
Not that I have a strong opinion about it 
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z!
who’s really a bsd person, anyway (for 25+ years)