I don't see what you're making this fuss out of. Did you watch those matches, or did you simply read the results? On RAW, the commentators were really pushing the idea of Dreamer gaining a new confidence at Extreme Rules, thus the better matches and fights he's putting forth. Christian was facing the ECW Champion, and regardless if Tommy Dreamer lost all his matches in 2008, he is the champion. The champion can not be booked to look weak. It made perfect sense to have them compete in a competitive, back and forth match. The ending was great. Christian is in control and going for the Killswitch, which is possibly the greatest name for a finisher I've ever heard, and got rolled up. That buries no one and they both come off looking good.
On Tuesday, Christian wasn't facing David Hart Smith. He was facing David Hart Smith with Natalya (who I am developing a liking for) and Tyson Kidd. David Hart Smith, while still a rookie, is still bigger and stronger than Christian. It only makes sense to have him look as good as Christian in the match and have his cohorts interfere and secure him the victory. Christian, while losing, looks none the worse.
Just listen to the pops Christian gets when his music hits. For being on ECW, where most fans in the arena are only half-interested in anything going on, he gets a good pop. There are always a good number of 'Peep' signs. Christian is popular and I'm very sure people in high places know this. Popular people, no matter how you like to bash creative and say that they don't know what people want, go places. If you can make the crowd care, you're in for great things. Christian does just that. Vince doesn't sit at a table, counting the money from Christian's t-shirt sales, and decide to begin to job Christian out.
Edit: He wasn't even pinned to lose his belt! He's not being buried.