I realized the importance of webpack a number of years ago, but the amount of time it takes to do its job was unforgivable to me. I soon started hearing about ESBuild, and found that it seems to solve _all_ of Webpack's problems, not just speed. Since then, I have written _loads_ of custom ESBuild scripts with and without the help of Rollup, and even written a couple of bespoke plugins for working with WASM. I find ESBuild to be an absolutely essential tool, that may only be dethroned for me by SWC.
"Our current build tools for the web are 10-100x slower than they could be."