Xen not stable ?

So some high level exec at some company who probably never even touched the technology calls Xen unstable and not ready for production , and the whole IT press jumps on it repeating his unfounded statements.

customer@XenBox:~> uname -a
Linux XenBox 2.4.30-xen0 #3 Fri Aug 12 15:01:01 CEST 2005 i686 unknown
unknown GNU/Linux
customer@XenBox:~> w
17:59:44 up 321 days, 18:52,  1 user,  load average: 0.01, 0.00, 0.00

I'd call this stable.

(PS. Yes hostname and username have been stripped on purpose to keep the client info confidential, but this is a production Telco environment, and it's not the only one)