I am afraid that the joke here is a feeble minded spotter supporter of the other Glasgow Airport who feels the need the attack an enterprising growing business competitor in another of the my ones bigger, better than yours, arguments.
I agree with the sentiments of Scottish Flyer, the terminal while not being the biggest or the best, serves its purpose and improvements have and are being made with more to come.
Unfortunately Prestwick is not bankrolled by BAA using profits made in the south east of England but money is being spent from the profits being made by Prestwick from the current operations. These profits are being made from an airport which started from nothing with next to no passengers and is clawing its way up in the business.
More power to the small guy.