On a philosophical level, I think that “anyone can use the Force” leans more towards the Dark side.
Force sensitivity is gifted to an individual prior to birth, without reason. There are no genetics involved in the number of midichlorians a being receives. It’s a part of the mystery of life. It’s pure gift. So even the way that a being becomes Force sensitive is a completely passive experience.
In keeping with this passivity, the Jedi teach the use of their gift as passive. They allow it to flow through them, to be used by it or in cooperation with it. Training is undergone with the specific goal of refining and restraint. Their weapon and fighting style of choice is defensive in nature and only used as needed. To the Jedi, they are the tools to be used at the discretion of the Force and in the service of peace and harmony.
On the other hand, the Sith are the complete opposite, right? They see this giftedness as selectivity, as opportunity. So they seek to control this process from start to finish, to create life and prevent death, to imbue certain individuals with Force sensitivity and determine its potency.
Then the Sith pursue their gift to amass power, and they have no goals beyond their own selfish desires. Their method is aggressive and controlling in nature, even to the point of dominating and violating the peace of their kyber crystals. To them, the Force is a tool at their disposal.
So, in this way, when a person who is born without the gift, without the base level of midichlorians that would make them Force sensitive, seeks to use the Force as if they had been, it slots them more on the side of the Sith. There is a kind of aggressive, grasping, selfishness there that has a Dark side taint to it. Even if a person seems to have noble goals or Jedi-like intentions, no matter what their reasoning is, the need to have this power that wasn’t gifted to them and to pursue the Force as a tool to be used, is thinking like a Dark sider.
Because one can think and act like a Jedi without ever having Jedi powers. Compassion, martial arts, mediation, meditation in communion with the universe, even wielding a lightsaber - all of these things are possible without “using the Force”.
So what is this need for additional powers? Why should it be that “anyone can use the Force”?