Perhaps surprisingly, dietary cholesterol has less an effect on blood cholesterol than a handful of other things. Saturated fat intake/balance in diet correlates more strongly, and vitamin D levels negatively correlates (vitamin D deficiency positively correlates).

Dietary cholesterol is used for a lot of key things such as hormone production, so some people might actually want to increase their cholesterol intake (super active lifestyle people like endurance athletes - can help combat RED-S aka Female Athlete Triad), but the elephant in the room for bad lipid profiles is saturated fats, refined sugars, and sedentary lifestyle