It's entirely preferences based. You have a preference for Chrome. I found it stark and unnecessarily difficult to find settings and options. IE is a security nightmare and is likely to remain so. Safari was so hackable it put mud on Apple's face - twice - at various black hat conventions. We each have experiences that differ leading us to our choices.
And least you think I'm some noob at computers, I'm not. I have a Computer Science degree. I've run my own IT business for 15 years specializing in home/soho environments. . My experience with computers goes back before they HAD an Internet. Adam computers, TRS-80's and Commodore 64's with 300 baud modems. My first "real" computer was a self-built 386 with 256 K of RAM and a 10 MB hard drive running Windows 3.0. I've used every major browser from AOL's 1.0 IE skin and Netscape all the way through Safari and Chrome. I have an "If it works, don't fix it" approach to upgrades (assuming security isn't an issue) and don't go racing off to buy or try the latest shiny thing to come out. My experience tells me people will find what works for them if something isn't working. I expect that's what you did to arrive where you are at regarding your browser preferences.
If you like a browser, great. No reason to dis other people's choices. My personal choice is Firefox. This is because I have tried the others and found them wanting for me. I have my Firefox highly modified for my needs (the add-ons I use are unique to Firefox so far) and I can lock it down to be as secure as I want it to be. To retrain another browser with a decade of preferences, histories (not browsing, settings) and other customizations would be both time-consuming and tedious.
I imagine the same issues apply to you. You have what works for you and that's fine. I do NOT get the concept of dissing other people's choices when it comes to computers/programs (aside from cost-effectiveness assuming that's a consideration) and offer my clients who want choices a wide variety. Otherwise I recommend Firefox because I find it behaves better on average than the others, and I use it.
Your mileage may vary.
And by the way, most people, according to several sites tracking computer usage as opposed to downloads, use Chrome. IE is second. Firefox is third. They're third is probably because of user disaffection with Firefox's former rapid release cycle - which has been quietly scaled way back - and is when even I started looking at Chrome (And decided it wouldn't work for me for the reasons already mentioned). Firefox usage percentage shows a decline at the point they started doing that. I stuck with Firefox, but tweaked the update to manual and now update on my schedule. Now that Rapid Release is scaled back, and the EU is clamping down on Microsoft, I expect its market share to increase again.
The bottom line is that it's all in what works for the individual end user. Your wife finds Firefox works for her. Chrome and IE work for you. Firefox works for me. If it ain't broke, don't fix it. But don't dis the choices of others just because YOU have your own preferences.