No. Drupal is only suitable if an organization requires open source. To develop a fully customized site still saves more time than using Drupal. And your maintenance path will be much simpler.
Wait, is it true? Did you encounter a bug? or browser extensions issues? It may not be as efficient as native, but I downloaded some sample files and repeated them until hit Google Docs limits. It is about 450 pages with some images. It is smooth and usable. There's zero delay. (and only 1000MB ram usage with many broswer extensions enabled. I think it's fair...)
totally waste my time to read it.
I opened your company site and found 4 cookies and no cookies popup. So the trick is no cookies popup even you have cookies.
Why? "sponsored by VPN" is the most common ad platform they can sign it up themsevles and have a good returns. And usually the new sign up have 80~100% cashback for the first time...
Same. It allowed me to create an account with just an e-mail address, but soon after the account was suspended for "unusual activity" and the only way to unlock it was with a phone number. At this point I gave up.
Had that exact same problem, I emailed customer service via their webform asking what went wrong and a few days later Twitter replied, removing the "suspension"
I think they're just fishing for mobile numbers for targeted advertising identifiers.