Advertisement stating that a sum will be refunded ...

Advertisement stating that a sum will be refunded on the purchase price paid, then no news.
Bosch tries to discard a third party company and does not respond to claims.
Notice served before filing an application for an order to pay.
This kind of practice undermines the image of the company and is necessarily a voluntary strategy. The overall harm of people who do not defend themselves is probably huge.
A drift of modern capitalism among many others.