I am anything but a Trump supporter, but he really does have a point when it comes to this.
If his point is that New York election administration sucks and desperately needs to be overhauled, he does have a point.
If his point is that Trump was treated unfairly in comparision...well, no. This says it well:
https://twitter.com/BradMossEsq/status/1410217337970642953Trump had his day in court and with established election recount procedures; many days, in fact. He got more than fair treatment, but just refuses to accept reality.