What is so hard to believe in it? If you meant the installation time, I can reliably demonstrate. If you meant download time, see my reply to amitava above.
I find it hard to believe that you would find that you could install Ubuntu in 13-15 minutes as per your claim. (Download time reduced for your benefit.)
*www.filledvoid.com/2008/05/19/hardy-heron-installed/
Please note that it does take quite some time to boot up the Live CD / DVD and also it will very independent on the hardware you are running it on. On the above machine I believe it took 2-3 minutes to boot up.
Now keep your fingers crossed and go ahead and click on the Install button . Please notethat the installation process does take a considerable amount of time. I wasn't out to set any new speed records but I believe the Install procedure did take about up to 45 minutes. While I was waiting I tried out the Gnu Chess Program. Although it doesn't look all that appeasing I must say that its quite smart at outwitting its opponents. You can pretty much use all the features of the Live CD/DVD while the installation goes on so be free to do anything while it is installing.
I've installed this on pretty much on all my family members' computers. The install time either hit anywhere between 40 to 1 hr. No customization no nothing. Just the defaults for most.
Im not here to prove Ubuntu is crappy. I've said it before and always stuck with it. Ubuntu is a great OS to start out with. But I do call FUD when I see it. In my PoV what you said is FUD . Hence Im calling it. Not to mention I knew all the options for the install before install. The chances of a person new to Ubuntu knowing that is near to nil.
Sicne people think I might be making up stuff. here we go. I went to #Ubuntu to find out what I could have possibly done wrong.
*www.imgx.org/pthumbs/small/12257/ubuntu-myproof.jpg
Im not even going to mention who answered that cause the last thing he needs is people to join the channel just to flame him. Hes been supporting Ubuntu in that channel for ages. not to mention hes an Op there as well.