They want to please the player but they also must be accountable to their bosses in the marketing department. You are then given the freedom to tweak things like definition and sound.
https://www.zsohbet.org/forum/index.php/topic,72952.new.html#new
https://greatserenada31.ucoz.ru/forum/8-7-541#37857
https://mmomakemoneyonline.net/threads/tragamonedas-reales-online-poker-online-fiable.412004/
http://horsecity.ru/phpBB3/viewtopic.php?f=26&t=240808
http://forum3.bandingklub.cz/viewtopic.php?f=23&t=1226371
http://ewmen.com/viewtopic.php?p=908860#p908860
http://www.20hz.ca/boards/viewtopic.php?t=43339
https://mmomakemoneyonline.net/threads/blackjack-gratis-spelen-slots-nederland.433933/
http://horsecity.ru/phpBB3/viewtopic.php?f=26&t=194964
https://www.zsohbet.org/forum/index.php/topic,71872.new.html#new