That is bullshit. Open your eyes and look more carefully. Just
because a table has 4 people at it doesn't mean they know one
another.
I have worked in the CBD before, smack in the centre of robinson
road. Those locations you gave above are the outskirts of our CBD.
And I have 7/8 of the time had meals alone.
It is not an eternal sin to dine alone, eat alone, be alone, do
something alone. No one is going to think you're anti-social,
friendless, charmless, or good for nothing that no one wants to
dine with you. Lunch time is your own time. 12 hours a day you
spend seeing your colleagues already, cannot have the other 12 not
seeing them meh?
Having lunch alone in the CBD gives you the flexibility to
choose, not get tied down by "oh no got long queue here, no time
already!", "alamak, he want to eat this, but i want to eat that
leh", and a dozen more not so nice things.
If there is something more pathetic than dining alone, its
creating a thread to look for people to eat with you.
Also after eating with the same bunch of people for 8 years -
you will find that you are lost for conversation. Unless it is
about office gossip.