Of course your field would be much weaker than with a Hangar + Thrasher/Gadget/etc
Each creature added to their battlefield, lowering Ghaltas cost, is like watching a cup of water tremble as the beast approaches
Special Summon this card, and if you do, attach that monster to this card as material
Some larger metros have communities that have informally tracked merchandiser routes well enough to predict service days for specific stores
You can play this turn one and get ahead in tempo or you can toss it away late game and get some bonus value
If you're playing in Master Duel, the search is even more useful, as without siding it can be hard to counter the opponent, but Dark Magic Inheritance gets around this thanks to its versatility