I have seen people sit next to a manspreader, said "Excuse me," and been completely ignored, thereby being forced either to push them physically, or shrink away

I have seen people sit next to a manspreader, said "Excuse me," and been completely ignored, thereby being forced either to push them physically, or shrink away from them. Would you believe that? Not everyone is happy with asking someone who is encroaching on their space to move. You may feel this isn't a problem. My observations tell me it is. Would you believe that?