There are many more Pi's out there so the development community and support is stronger than Nano. The Nano has support, just not in the same area. I have had problems with the Nano where memory gets chewed up in some way and I just reboot it after a while. The Nano does have the advantage of an Nvidia GPU, but it appears that is of no benefit to you.
Although the Nano does not have built-in wifi I don't think that is a substantial issue, but it does mean you need to get a wifi dongle. Of more concern is the need for a fan on the Nano. I have found that it gets hot fairly easily when pushed.
Bottom line is that in my opinion the small amount of memory is a substantial to avoid the Nano 2GB, the 4GB Pi is good and for about $30 more the 8GB Pi is a definite step up.
Of course, if you just want to buy a jetson and just looking for some reason to, that's totally fine too :-D
[0] https://devforum.zoom.us/t/have-you-considered-building-zoom...
The total package ends up significantly more expensive than the "list price" of an RPi itself, and it ends up not making much more sense than buying a used x230 or something off of eBay for <$200.