It’s a war out there. Content alone is not going to be enough to attain supremacy over the competition. You need a powerful website. Plugins are your ammunition, they beef up your arsenal and gear you for war.
The WordPress version 4.5 release broke Visual Composer, or is it the other way around.
People who updated to WordPress version 4.5 experienced a lot of major issues surrounding the page layout. The pages made with Visual Composer was completely broken, ie noting was displayed on screen.