My kids' schools only buy MacBook Airs. They are reliable and long-lasting. They provide them to every student age 12 and over. The students keep them for 4 years, then they go into the lab at the elementary school for younger students to use.
Generally very reliable but you should be prepared to replace the battery after 3-4 years if you use it heavily.
I'm a freelancer doing creative work, and I did initially manage on a PC laptop, but a) I wore it out and b) I ended up just hating it.
In the 5 years I've been freelancing I've bought a MacBook Air which is now 5 years old and still going strong, an iMac which is 4 years old and still going strong, and recently bought a 15" MacBook Pro with all the gubbins which is spectacularly fast.
None of them have ever had any issues but the Air needs a new battery. I always buy AppleCare just in case, and I've never yet put in a claim.
My main complaint about MacBook is that upgrading the SSD storage to a useful amount when buying them is ridiculously expensive.
I do currently also have a PC laptop that I use for one client, and I hate it so so so much. I hate the way Windows Explorer works in particular - Finder works so much better eg being able to preview a file by pressing spacebar, the columns view, etc.
I use Microsoft Office, Adobe Suite, and a bunch of other stuff on my Macs, and they connect seamlessly with the iPhones.