Trump should and will contest the election results especially since the official count is not over yet.
It hardly matters at this point. Too many people want a particular narrative to be true, therefore it will be true. There is no way any court cases will make it through the system before the meeting of the Electoral College. What
will happen is that over the next few months you'll see evidence of fraud being presented, which will immediately be dismissed with "Yes, there was fraud in this instance, but it didn't affect the election results."
Biden is barely functioning. He is groping for words in his speeches. I don't doubt that we'll be hearing lots of grandiose plans from his "handlers" over the next two months. We can depend on an almost immediate ban on fracking. Let's see how much support the Biden (or perhaps Harris) presidency has when energy costs begin skyrocketing and companies start laying off workers. Wait until restaurants and small businesses everywhere begin shutting down due to new regulations imposed by the Department of Labor. That will be what turns things around for the Republicans: when voters see for themselves what happens to the economy under the Biden / Harris presidency.
On top of that, although Wall Street and Silicon Valley nominally supported Biden, that will flip around in an instant when their bottom lines start being threatened. Facebook, Google, Amazon, and Apple aren't going to sit on their hands and allow themselves to be broken up by rabid anti-capitalists.