Why should SQ does the job of the Immigration Dept of the destination country? If you are denied entry, you buy another ticket to fly out. Good for business. Especially no one can be 100% sure the IO will let you in even you have a valid visa.
Police uncover Russian money laundering in ‘fake company’ network raid
https://www.thephuketnews.com/police-uncover-russian-money-laundering-in-fake-company-network-raid-91850.php
"CSD officers seized: two computers that were used to create false documents and store foreign customers data..."
There are tonnes of them on Lazada.
https://www.lazada.co.th/tag/mattress-topper/?spm=a2o4m.home.search.3.11257f6duyqEeN&q=mattress topper&_keyori=ss&clickTrackInfo=textId--362533968229331597__abId--308215__Score--2361.0__pvid--d85bcb87-65cd-4e40-a6db-38e7b95a4edb__matchType--1__matchList--1-2__srcQuery--mattress topper__spellQuery--mattress topper__ctrScore--0.0__cvrScore--0.0&from=suggest_normal&sugg=mattress topper_2_1&catalog_redirect_tag=true
Why are you keep applying for OA Visa which requires you to have a 'useless' health insurance? Non-Imm O visa is just fine. No insurance and no police background check required. But remember to submit a new TM30 when you enter with a new visa if you intend to an extension after that.