Earlier quoted context omitted.
Worth noting that what you proposed with regards to presenting a competing offer to your current employer is typically a card you only play once. More than that and you tend to be viewed as a mercenary who causes problems. Plus, the people you are presenting this to will quite likely feel like they've had a gun put to their heads in a situation they may have very little direct control over, and nobody likes being put…
Also, don't do it without being ready to make the switch--you never know when your company will call your bluff and say "ok, enjoy your new job, your last day is today." That heavily depends on your region. In places like the EU you cannot be fired on the spot for something like that.
An example of this. My wife's employer recently found out she had applied for a job at another company. They fired her that day. She didn't get the other position and the previous employer is blocking unemployment compensation.