It is very competitive industry. Branding is all over the place. A Tohatsu 150 is a Honda re branded. Small Mercs are made by Tohatsu and it goes on and on. It differs by region and boats. Until recently Yamaha did not do much in the performance world with offshore center consoles gaining popularity running triples and doubles especially after the Verado came out. Yamaha dominated in the PNW as reliabilty not performance was key. The new Yamaha SHO series challenged Merc in the performance area. In the mix E tec had the G2 which was equal too or out performing all. I think the two stroke history of smelly ect. was hard to overcome as perception often becomes reality. DW's 150 with a pump will blow the oars off a standard inline 4 Yammy or Merc four stroke. Verado & SHO about even up so I think history and competition ganged up to get them in the corporate world.