It wasn't like that in the early days. They were a scrappy garage outfit spawned from a couple of academic researchers, fighting against Yahoo and Altavista and the like. At its release, Google Search was a true technical marvel compared to its contemporaries.

For another decade after that, they (through acquihire or in house development) revolutionized office suites, online mapping, aerial imagery, email, photo search, Android, web browsers... seemingly all at once.

It wasn't until the last 8-10 years that they seeming stopped innovating and entered "hang on to our profits at any cost" mode and really increased the advertising spam everywhere.