Fail to see the good to have another bank with it own in house currency pegged to a bunch of fiat currencies.
In Northern Ireland every bank has its own notes, all pegged to the English pound in UK, outside higher exchange fees arise.
Libra is no different to opening a bank account, except there is not physical branch.
Is Zuckerberg god? he can see everyone's transactions and who exactly is checking/verifying his ID on sign up process?
Apple has already hinted they will create own coin

Effects of inflation, purchasing power decreasing, poorer day by day.
If you started with $100 when the Federal Reserve was first created in 1913, it would now be worth $3.87.
1913: $100
1923: $57.89
1933: $76.15
1943: $57.23
1953: $37.08
1963: $32.35
1973: $22.30
1983: $9.94
1993: $6.85
2003: $5.38
2013: $4.25
2019: $3.87