OP is presumably talking about stuff like dictating the future of web development, not about who gets money as a result of users having a browser installed. It'

OP is presumably talking about stuff like dictating the future of web development, not about who gets money as a result of users having a browser installed. It's a different definition of "sameness" than you're using, but not necessarily a wrong one. (Whether the companies themselves care about this seems immaterial.)