The core risk of 1000:1 leverage is extremely short liquidation distance. Beginners should not treat it as an advantage.
Not safe for beginners. High leverage lets small capital open large positions, but a small adverse move can liquidate the account quickly.
FCA, ASIC, CySEC and other top regulators limit retail leverage because retail CFD loss rates are high.
Beginners should use 5:1 to 10:1 and keep per-trade risk around 1% to 2%.