Starter problems of the 2012 Buick Enclave

6/30-gm sam swope tim calls and said car making loud noise and they don't know why? 7/2 Thursday night pickup car after they replaced timing chain and water pump. 7/4-Saturday arrive in florida, car won't start. 7/6-Monday car towed to sam taylor dealership in ft. Walton. They found starter engaging while car was running making loud noise. 7/10-Friday night and car still not ready after a week. Starter and ecm replaced and all wires on engine harness spliced(73 per work receipt). 7/27-viewed car with trace starr, sam swope service mgr, and showed him where all wires spliced and mentioned starter engaging and I'm concerned about possible flywheel damage, he said his transmission guy could not hear anything wrong so it's okay and splicing all the wires is considered okay repair. During this time I approached a gm service mgr in a city an hour away and he said absolutely not on the splicing and harness should be replaced. Had not choice but to drive it and it was running okay with an occasional odd occurrence like ac whistling(videotaped). 12/29-brought in for recall, back left window not working, and stabilitrac and traction control warning with check engine light. Sam swope reflashed the ecm. 1/6/16-car stalled and quit with "service engine soon" check engine light. Took to sam swope(now courtesy Buick) and they replaced fuel pump. 3/12/16-my wife was driving straight on dry pavement at 20mph and car stalled hard but did not quit and the traction control check engine light came on. 3/17/16-courtesy Buick "replaced cylinder 4 coil and plug coil failed". I was told coil replaced, car has not acted up again. 3/23-gm called me today asking if I was satisfied and I repeated that the repair was incorrect in florida, they asked for the gm service mgr nearby that told me it was not correct and I would not give them his name.