if they still use Honda,alonso will leave,sponsor will leave,top engineer will leave.they will lost everything a top team should enjoy.
Renault engine is just like a life-saving straw for Mclaren.no wonder why Mclaren is so eager to pursue Renault engine.
Deep breath.. I am preparing to hide from a **** storm:
What if - for just a tiny second - you consider that McLaren right now is not a top team any more.
Top engineers, Alonso and Button, sponsorship money didn't help much the past few years. At best McLaren would be back where they were before the alliance with Honda started. And that wasn't the place were they wanted to be either. Hence Ron Dennis ousted Martin Whitmarsh, After Dennis changed things and pinned the fateful contract with Honda, Ron Dennis was ousted himself.
The only thing that can be said right now there is that things can't get much worse and the way should point up. That's not a short term route to be a top team however. Notice how long it took Mercedes to get to the top, and they have far bigger resources behind them than McLaren. Other manufacturers failed. Just to start: Mercedes doesn't need sponsors They build engine and chassis themselves. McLaren, like it or not are dependent on engine manufacturers. Also Ron Dennis belief that Honda can build a top engine got them into this situation. It's not the first time that McLaren and quite a number of other teams fate depended on the engine. Clue, what happened with Honda might happen again with someone else.
IMO the prudent thing for McLaren's is to consider their current position as an F1 team. Name it what their teams position is and not where they wish it to be like, not basking in past glory, or where they aspire to be in a few years time. And then as a team move forwards step by step and avoid any kind of assumption of their team's greatness. Greatness has to be earned, and needs to be maintained, Look at the tech world and see how it works. Just for starters 2 names Blackberry, Nokia. They were great, but now.. Any tech company sitting on the cutting edge of technology has a very precarious position and McLaren isn't the exception by some kind of wishful thinking.
Taking my hat now...