Once and for all, Truth about Timing Chain Failure

There has been a lot of talk about timing chain failure on the C 50 Boulevard engine. I find it hard to believe Suzuki built a motor and continues to build the same motor with a timing chain weakness considering todays advances in motor technology. Any well designed motor should be able to go 100,000 miles with proper maintenance today. So here is the question. has anyone ridden their C 50 motorcycle 100,000 and did you have to replace the timing chains and tensioners. And if you did have the Timing chain problem, how many miles were on your motorcycle. Please include the year so we can look for problem years.
Thank you for participating.
I just bought a 2007 C 50 Boulevard with 13,000 miles on the clock and want to know whether I can plan on riding it another 87,000 miles without a timing chain failure or whether I should sell it at 25,000 for something better designed. Thanks and hopefully we can get to the bottom of this timing chain issue