It is not uncommon to have pools by the beach, you can see them in Penang, Langkawi, Tioman, Redang, Pangkor. I know of quite a few people that do not like to dip themselves in sea water, despite how clean it can be. Weird but true.
Im lucky to get a thai wife that loves malaysian durians but hates thai durians. She mostly prefers the malaysian version of a certain kind of food like chicken rice, pork noodles, moo daeng, even Char Kuey Tiaw. Heck even all kinds of roti, just without the curry. Really depends on who we are asking. Since my wife is from Lanna, she is used to very thin watery curry, so she dislikes the indian and malay versions which are thick and heavily spiced. She even dislikes southern thai curry, which is quite similar to malaysian curry.
Unpopular opinion, Malaysian food is better than Thai food, definitely way more diverse too. Malaysia has its own Guinness factory, so stout over there is cheaper. For duty free alcohol prices, which means dirt cheap, visit Langkawi. For food paradise, Penang is where its at.
if that is the case, I as a malaysian would definitely get an initial visa waiver, keep border bouncing and requesting for a visa waiver till I eventually stopped.
Malaysia is listed under Visa Exemption and Bilateral Agreement, so it depends on what you are given at the border? Also, after an initial visa waiver, when you do a land border bounce (assuming it is not to your home country) will you be given a visa exempt or another visa waiver on reentry?