- It externalizes resource usage - the waste happens on users' machines. Who cares that it adds up to meaningful electricity consumption anyway?
- It makes it easier for marketing people and developers to independently work on the site. Developers can optimize, marketers can waste all that effort by including yet another third-party JS.
- It supports ad auctions and other services in the whole adtech economy.
- You don't have to do much analytics yourself, as the third party provides cute graphs ideal for presenting to management.
- It externalizes resource usage - the waste happens on users' machines. Who cares that it adds up to meaningful electricity consumption anyway?
- It makes it easier for marketing people and developers to independently work on the site. Developers can optimize, marketers can waste all that effort by including yet another third-party JS.
- It supports ad auctions and other services in the whole adtech economy.
- You don't have to do much analytics yourself, as the third party provides cute graphs ideal for presenting to management.