Leaving aside the purpose of the article, I'll disagree with you on item 3. Since BS 4.x and the adoption of SASS pre-processor the theming and customization issues turns it far more easy to deal with. The use of the !default flag for ALL available variables made it pretty easy to config for everyone needs. They still use jQuery for all the behaviors indeed but I think it's a matter of time to get rid of it.
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
Leaving aside the purpose of the article, I'll disagree with you on item 3. Since BS 4.x and the adoption of SASS pre-processor the theming and customization issues turns it far more easy to deal with. The use of the !default flag for ALL available variables made it pretty easy to config for everyone needs. They still use jQuery for all the behaviors indeed but I think it's a matter of time to get rid of it.