I don't think it's sinister, I just think it's looked upon as extra work, with no obvious upside. For would-be competitors who want to send in spies, it's easi

I don't think it's sinister, I just think it's looked upon as extra work, with no obvious upside. For would-be competitors who want to send in spies, it's easier to move on to other companies that publish addresses. In the big 5 companies, the more hush-hush the R&D activities, the harder the particular site is to find.