The more I think about it (and Randy, do not take this in a bad sense), I think they were trying to pick someone who wasn't a direct Rod or Johnny O protege.
You can't replace Johnny or Rod. You can't. I think Randy was *too* much like Johnny and/or Rod for the comfort of Bob. Randy is a class act and I think he should have gotten the job, but again, Rich has enough of Johnny and Rod in him to do the job, yet he's different enough to also make for a good succession.
Remember, when Johnny passed on, the announcer selection was a who's who of announcers, and every big name (and some not-so-big names) tried out for the job. Gene Wood, Bob Hilton, Rod, and a few others tried out for the job, and ultimately it went to someone we least expected to see get the job (Rod).
Fast forward to 2001-2002, when Rod's illness started to set in: Burton was pressed into service initially because he had experience with TPIR (TNPIR '94), and then Randy followed along with his Sweep experience.
I do note it was 7 months after Rod's passing (almost to the day) that Rich was announced as the permanent announcer for TPIR.
The announcer search didn't start in earnest until January when they started the rotation they ended up using. I do think it was great we heard a variety of announcers, and we all have our own favourite. The selection of announcers today is far far different than it was in 1985, there were 4 major announcers in the business and different ones, Burton Richardson, Randy West, Johnny Gilbert, and Charlie O'Donnell. We needed some new announcing talent, although what we have is good, getting new blood in is important to say the least.
We now need to welcome Rich into TPIR and wish him long term success. And I hope Johnny and Rod are watching Rich's work and giuiding him in spirit (which I am sure they are) to see the TPIR legacy continue.
I still ask the question though: Is it possible Rich is being groomed to take over TPIR when Bob does leave the show? That is one theory I have on the succession path. (I'd think the audience that TPIR has would much prefer it if they put someone who's a known quantity to them in when Bob does hang it up, although we all know TPIR won't be the same show without him)