You can certainly ask @Jackwelshh and other interviewees. 
They might answer if they have time and are able, etc.
On a general level, I’d say that sometimes not everyone has time or notices to reply. Of course, in some cases, for understandable reasons, some people don’t want to answer certain questions without there being anything strange about it. So, this was not related to Jackwelshh or specifically to your questions.