There are several reasons that make blogging a good choice still Today.
Let's focus on three of them.
1. You can control everything
Colours? Themes? No problem, you can decide everything with no constraints.
2. Indipendence
If you are self hosting your blog then you're the boss. If you don't want to self host your blog a good solution may be a platform like Write.as / Writefreely that offers you a great way to blog without getting crazy.
3. Your data is yours
Make sure to do regular backups of your blog in order to avoid any problem in case of hacking or update failures. Future migration to other blogging platforms it's your choice.