The point isn't that it may cause you a problem. The point is that the license is the structure by which people understand how they can use things, and the lack

The point isn't that it may cause you a problem. The point is that the license is the structure by which people understand how they can use things, and the lack of a license is generally taken as "don't touch this" by the larger community. It's essentially opting out of the larger pool of contribution, which is of course totally valid and your right.