You didn't quote everything.
Off course it depends on the people working there. Your choice is your responsibility. That counts for an internet store too. But in a direct dialogue I can make some assumption of how good the other one is. I don't know how to do that with an internet store. I've to talk to my self in the mirror.
If you exactly know what you want and you are sure of that the article you order is what you want, then ......
There's also the guarantee issue. In Holland the shop has to give the guarantee. That's is going to be difficult when the internet store is abroad. I don't say it never works, but you've to calculate with it.
She's buying a lens with a value of over $2000. No hair on my head( is that English?) will think of it to buy that on the internet.
George