Last I checked the "Bush tax cut" was a real bill, championed by one particular party, passed via a vote that went broadly along party lines, and signed by a president of that party whose administration worked hard to put his name on it. The guy in the other party, as I remember, wanted to do something like "save social security now".
Those are real policies, and they have real impact. You can pretend that they don't and that politics is all a "game", but no matter how hard you pretend it isn't true. (Sure, it's mostly a game, but at the margins it's important stuff, and not well served by bland internet cynicism).
Certainly the policies of the government in place can have an effect but for the most part that effect is not felt immediately and many times it can be years and years before any policy change ripples down to cause any type of drastic change in the economy.
Suggesting that Clinton was responsible for the takeoff of internet companies in 2000 and the housing boom is silly. He was a major beneficiary of a great economic time.
Not Clinton, but you could make a case that Gore was responsible. There is a lot of noise laughing at him for supposedly saying he created the Internet, but he did co-sponsor an important bill in 1988, and was honored with a Webby Award in 2005 for contributions to the Internet.
Those are real policies, and they have real impact. You can pretend that they don't and that politics is all a "game", but no matter how hard you pretend it isn't true. (Sure, it's mostly a game, but at the margins it's important stuff, and not well served by bland internet cynicism).