Here we go another one who pretend to be very proud to use Bitcoin for everything.
You could do your research on that. As far as I know, Central Africa Republic is the only African country that has made Bitcoin a legal tender. The rest of Africa are neutral about Bitcoin.
You forget they already stop to accept Bitcoin as legal tender since Q1 on the last year.With a fee of 47 sat/vB and assuming that the person will make an average of 3 transactions and that the transaction is 1 input 2 output, he will need about 21 US Dollars per month, while the average salary in Nigeria is around 30,000 NGN (69.17 US Dollars) according to
https://www.timedoctor.com/blog/average-salary -in-nigeria/
He will counter your argument by saying "uS1ng L1NghThInG n3TW0rK wILL sOlve THiS" while the reality not many people use that due to complexity and I doubt if he's even use LN.