>I don't think that I would add the complexities of Webpack in a application just for Stimulus. This would be my preferred route in an existing application.
Would you be able to expand on the added complexities of Webpack (through webpacker)? I was planning on switching from sprockets to webpack based on the advantages discussed in this article: https://rossta.net/blog/from-sprockets-to-webpack.html
FYI, here's a blog post you may have seen where the author had great difficulties using webpacker: https://www.codementor.io/help/rails-with-webpack-not-for-everyone-feucqq83z