Yes. I believe I have stood out and have been hired in some job applications relating to PHP/Yii because of a popular extension I contributed to the framework.
uncss[0] works well for me. It removes the unused styles and then I run the css through a minifier to finish the job. The css filesize is greatly reduced.
Yeah, I saw that too. But I used Segment's analytics.js [0] several years ago and they solved this problem. Other companies should take a look at analytics.js and fix their scripts.
I met a cofounder while interviewing potential customers during the early validation, pre MVP. His questions were smart, he knew the market and has been a founder before. Right after the meeting, I called my other cofounder and told her we should setup a meeting and get him onboard.