They come at a cost, one of the popular ones is 300K+ minified JS and they are common on retail sites with very high mobile traffic -- severely impacting Lighth

They come at a cost, one of the popular ones is 300K+ minified JS and they are common on retail sites with very high mobile traffic -- severely impacting Lighthouse score Also they often overlay and can block a cookie consent acceptance button etc. There is no reason for them to fire on every page, isolating them to a support page is surely enough