It's sad but true. Go look at any medical subreddit about ChatGPT, you all a sudden have 100s of AI experts trivializing GPT and suggesting it's nothing more than autocorrect.
PostmarketOS is the mainline Linux kernel and doesn't have all the features that are needed for a proper Android phone. There are a lot of Android userspace drivers that may break with another kernel.
Custom kernels are not upgraded kernels. They usually just back port a few fixes. No custom kernel running Android has a full kernel upgrade because it breaks the KMI and kernel drivers aren't usually updated.
Android manufacturers pick a LTS kernel when developing their phone. By the time it is on the market, that kernel version only has 3-4 years left of security updates. Custom roms never upgrade the kernel so you are still vulnerable to bugs that were never backported to your kernel
The problem is after 3-4 years, the only batteries you can find are from aliexpress or drop-shippers on Amazon. How does one trust these batteries from exploding in the middle of night especially if you fall asleep with your phone next to you.
You need goals to be driven in life. You need to sit down and see where you want to be in i.e. 5 years from now. This could be work related or not. Some people find passion in field within computer science, i.e. security and dedicate their time to pursue that passion to be the best they can.
A week ago I logged out of snapchat and I started getting actual text messages within hours saying my friends have uploaded a new story and to log back in.
I instantly knew they weren't hitting their numbers
EC2 is good but AWS also offers many managed DB services as well.
Regardless of what you pick, you need to have redundancies. This could mean you have a replica in another region.