In the exact same way that Bitcoin won't disappear by governments ignoring it, BIP148 won't go away. Regardless of if you support the activation methodology or not, the code has been released and it cannot be undone. Now, your options are to visibly support SegWit, which is a vote to avoid a chain split, or to do nothing, thus casting a vote for a chain split. I am absolutely pro SegWit and against a chain split. Let's activate SegWit before August 1! BIP148 isn't the hero we want, but it might be the hero we need.