Because Giga-Watt is real world, and in the real world delays happen. In Giga-Watt's case local government inspectors needed more education/time, then certifying agency inspectors (UL) wanted different power supplies. In both cases Giga-Watt did what was necessary to keep moving.
The problem is that there are a lot of people that think that everything crypto moves at internet speed. Well, when crypto meets real world, things slow down. Kinda like when miner hardware companies promise to deliver your miners, but don't deliver for many, many months, if ever in some cases.
If your investment thesis demands that everything be perfectly on time, you will be disappointed. If you have a long(ish) time horizon, you can be patient.
Investor sentiment is for wankers and snowflakes. The wankers and snowflakes that get upset bail out and sell out, making it easier for more patient investors to pick up the investment at lower prices.
I bought into the ICO in the Batch 1 timeframe and now my tokens are currently worth 44% more than I paid, plus I am earning rent on them while I wait for Giga-Watt to install my miner.