Certainly, but it was a burden in that it took away an unnecessary privilege. The point of the boycotts was ultimately not to put an extra burden on others to remind them of their privilege.
The point of the original comment was that renaming master to main served as a reminder for people. But movements in the past that you were referencing never served a goal of solely putting burdens on other people.
This is a matter of perspective. Creating awareness is usually the first step to changing things. Your take here only really works of you believe that burdening people with awareness is the end goal.
To use the standing example, it's like saying that Parks's goal was just to get arrested to burden people with the knowledge of inequality.
If you accept that racial privilege exists, and that it's causes are correctable, even in part, then raising awareness of those helps. This is doubly true if you think that stone of the causes are social cognitive biases, where awareness and mindfulness directly address the causes.
The point of the original comment was that renaming master to main served as a reminder for people. But movements in the past that you were referencing never served a goal of solely putting burdens on other people.