Just use search then you get all the answers you want

If you don't do you don't get a visa

Simple as that

YES

Haven't you done any research

Then you will show how ignorant you are about the conditions for applying for a Thai visa, and you didn't research properly before applying

Worst advice.

Both the Embassy and the e-visa websites clearly states, that in case of rejection “NO REASON WILL BE GIVEN”

Don't waste your time calling.

The guidelines clearly states: NO REASON WILL BE GIVEN

Well, I can easily see how a Immigration Officer gets suspicious, when husband and dependant wife not travel in and out together to the same foreign destination,

That is what Immigration officers do: assess people, and check the have the right to stay in Thailand.

Don’t forget the Immigration Officer has the power to reject any person traveling to Thailand, and do not have to conferring any superior to do so, and any protests from the traveleller will be invain.

ONLY your personal account has any relevance here, it is you who apply for a visa, not your compagny, so your compagny account has nothing to do with your personal economics.

There should be clear boundaries between your personal and business economics

No matter if you understand which or why they want those specific documents, you can only do one thing: give them what they ask for.

Remember submitting extra documents resets the clock to zero on the day the documents are submitted

Read it as your application is allready suspended, and you have to start over ( incl. new fee), probably because there would have been an error in the passport details.

Log in a the e-visa website to confirm if you application is active or not.