Apple accepts the money to not build a competitor to Google's Search Engine.Are you suggesting from this, that users wouldn’t use Google if Apple didn’t do this? Seems quite a shrewd business decision to take this money, considering
A: most people use Google anyway and
B: you are not forced to use Google.
It's why California and other states are investigating the matter and Apple (and Google) are going to find themselves fined in the hundreds of billions of dollars.