Google Analytics and Google Tag Manager need to take the blame here. Web developers are doing their damnedest to build a decent site or application, until marke

Google Analytics and Google Tag Manager need to take the blame here. Web developers are doing their damnedest to build a decent site or application, until marketing/growth steps in and makes GTM a requirement, and product want to try out the 6 different analytics tools they're looking at. You can at least push back on the product somewhat, or use something like Segment to fan-out. But once Marketing gets GTM in place, all bets are off - they're doing god knows what to the site/application, completely outside of the purview of the usual engineering process, because they can inject whatever they hell they want into the page. GTM is essentially a backdoor but it gets a pass because marketing. Web devs emphatically, and by definition, do not suck at developing websites.