It's just plain wrong to be saying things like this - working at a startup is fun, exciting & you learn a ton - but don't encourage people to ignore the risks they take.

If you join an early startup there is always a risk - I had a friend who signed on as a 5th employee, found an apartment in California (he was from the east coast) and made a down payment on it - after which they told him the company was going to shut down and cancelled his offer without so much as covering his down payment.

There are very real risks that you take on joining an early stage company (which is where you learn the most) - so please, don't ignore the risks. Don't bet everything on success - start ups fail, and fail often. Make sure you can afford to lose, if the risk you take doesn't pan out.

"The investors are likely to want to pull you to another rocketing startup."

Don't blindly bet on the investors pulling you into another startup - if it happens, you're a lucky individual, but more often than not, you'll be on your own.

EDIT: typos