Have my multimedia in browsers, kde recognizes it and media controls work within taskbar preview, notification area and - most important - with the media keys.
Plus: Browsers are more secure and no need for other applications.
Problem is the scale. Script kiddies and junior programmers are 0.1x to 0.6x or people reinventing the wheel by not using a framework, they could be far less and let's not talk about security. Experienced (senior) devs should be counted as 1x. Beside knowing to programming fast, they (should) know how programm more correctly.