[ovi256]

30% of smartphones sold in the EU in 2019Q1 were Huawei.

You can bet that no bank or whatever will abandon such a large fraction of the users of their app, but is already calling people to get the Huawei OS version of their app started.

Especially given that Huawei OS looks to be a fork of AOSP with the proprietary Google Services replaced with proprietary Huawei services. The developpers will just fork the existing app, using Android studio, and the same language!

[cameronbrown]

People won't buy a phone without Snapchat or Instagram who can't actually implement said support without violating the Huawei ban.

[JohnFen]

Many people won't. Many other people couldn't care less about Snapchat or Instagram. That latter set of people almost certainly still constitute a large enough market to be worth addressing.

[jessaustin]

Lots of corporate structure alternatives could offer a way around that. Perhaps a French company would support that, after making a deal for a certain portion of those apps' European revenue?