"In Indonesia, President Joko Widodo reiterated on Wednesday...

"In Indonesia, President Joko Widodo reiterated on Wednesday that the country will stop exporting raw copper, bauxite and tin to encourage foreign investment and help the country jump up the value chain in resource processing." Source

For Reference;

Copper Ore Exports by Country

Below are the 25 countries that exported the highest dollar value worth of copper ore during 2021

1. Chile: US$26.7 billion (30.1% of exported copper ore)
2. Peru: $15.2 billion (17.2%)
3. Australia: $5.8 billion (6.6%)
4. Indonesia: $5.4 billion (6.1%)
5. Canada: $4.1 billion (4.7%)
6. Mexico: $3.42 billion (3.9%)
7. Brazil: $3.37 billion (3.8%)
8. Mongolia: $2.98 billion (3.4%)
9. United States: $2.92 billion (3.3%)
10. Panama: $2.8 billion (3.2%)

Source
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We all know how long it takes to bring mines and processing facilities online... This is quite the drastic decision.