Q.hibiscus bug disease
What bug riddles the hibiscus leaves with holes? The plant is in a sunny location and consistently watered. Is there any cure to rid the plant of whatever bug is destroying the leaves and decreasing bloom production?
This could be a few different insects or pests doing damage to the leaves.
Treat the plant with Neem Oil. Neem Oil is safe for people, pets and bees.
Here are some links for you.
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-sticky-leaves.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm