Oh, I didn't say there weren't alternatives in Windows 7, only that I prefer the metro interface and those are apps I like using. When people were upgrading to Vista or 7 people tended to use similar argument, "well, I can do everything I need in XP", which is perhaps true, but people still moved on eventually, whether it's via upgrades or getting a newer OS on a newer computer and just sticking with it. I only used Vista because it came with my PC and same for 7. In the Vista days if I had a choice I would have gone XP, but frankly didn't think it was worth my paying for the downgrade...particularly as at the time I was poor student.
Windows 8 was the first Windows upgrade I've ever bought and it was cheap enough for me to justify it.
Yes, I know of the alternatives in Windows 7. For the record, I have Office 2007, 2010 and 2013, but only 2013 installed.

However, I find using the W8 app version convenience as well. Normally I'll dock it to the right of my desktop, yes I can dock things with desktop apps, but I find it more convenient with how it works with metro apps and so I use one.
Yes, it wouldn't make much of a case to convince somebody to upgrade to Windows 8 and I only did it because it cost me £25 to do and I haven't regretted the decision. But I don't have any objections, my new PC has Windows 8 and it cost the same as Windows 7 and I had the choice and I felt Windows 8 was the better choice. But I wouldn't pay £100 for an upgrade disk, I don't think the advantages would be worth it, personally. Regardless I find for me, there are advantages...mainly to do with ergonomics and convenience. I found it really easy to get the hang of as well, not sure why some folks have found it difficult.