Depending on the query, 60-80% of Google Image results point to Pinterest, which no one is looking for and is not the original source of anything that shows up.
For regular searches, in the past few years there has been a continuous and significant decline in both the accuracy of results and the ability to communicate to Google what you're looking for in the first place.
Quoted phrases are frequently reinterpreted, destroying the intent.
On a query with 3 words, Google will frequently ignore one of them entirely, based on an opaque and constantly changing set of rules, and will return results for the other 2 words that have no relevance whatsoever.
Perhaps most frustrating is the constant irritating battle to trick Google's many different query "filters", not all of which are NSFW "safe search" filters, to avoid the very strange situations where a query with a small number of common english words somehow returned no results whatsoever, despite Google's clear willingness to throw away even the most important words in a query in order to return something.