Your suggestions are terrible and would make the situation worse. There are no "proper CS & IT credentials" which can qualify someone to do oversight. In particular most Computer Science degree programs don't cover any relevant material.
And what even counts as "software engineering"? If I want to write a VBA script in my spreadsheet am I supposed to ask some anointed expert for approval? It's just ridiculous and totally unworkable.
There are no proper accounting credentials. Anyone can call themselves an accountant. An accounting degree or CPA is not in itself qualification to do oversight. Audit committees don't solve everything either. Still seem to be worthwhile.
If you are running a fortune 500 company and your vba spreasheet is a material expenditure in your financial statements then YES get it approved by the IT committee. (If you get a vampire-squid consultancy to build it for you it probably will be too!) Non-material expenditure? No, who cares if it's not material? (Material has a GAAP definition and is deemd to be something like 5% of the balance of the asset or liabiltiy or impact more than 5% of revenue or expenses). Someone who has studied more recently than me can probably tell us what GAAP says is material for audit purposes.
> There are no proper accounting credentials. Anyone can call themselves an accountant.
This is not true everywhere. In my country, accounting is regulated [0] and can only be performed by credentialled professionals, registered on the Federal Council of Accountants.
And what even counts as "software engineering"? If I want to write a VBA script in my spreadsheet am I supposed to ask some anointed expert for approval? It's just ridiculous and totally unworkable.