1) The economic model is unproven so even initial costs will be far too high to pay of debt incurred to manufacture, market, and maintain and they're not competitive with extant mass-market alternatives on cost & time out-of-the-gate with no clear pathway to even being niche competitive, let alone having mass-market adoption. And no, the Airship cruise industry is never going to take-off (heh) because there wouldn't be any extant "ports of call" (unlike with sea-going cruise ships) and no way to economically stimulate their construction.
2) Inclement weather mitigations (aside from docking, re-routing (delaying), or rescheduling (also delaying)) are virtually non-existent so there's a much higher trip variance which eats into fuel, time, labor, and ultimately a far higher cost variance which (as a 2nd order effect) leads to an overall MUCH higher cost to operate ANY route compared to conventional cargo or mixed-mode transportation. As a historic model, look at the air cargo transport costs in the transition from mandated multi-stop piston engine refueling and in-weather flying in the late 1930s to single-hop above-the-weather flying in the gas turbine "jet age" of the late 1940s. It's not JUST that jets were much faster, they were also far more predictable to service routes AND had far lower maintenance costs. A lower, slower, and less predictable airship with higher maintenance costs and, at best, a handful of percentage points off of the dollars/mile/ton figure with a higher initial cost outlay doesn't merit investment.
3) Safety is still a huge issue for any airship attempting station-keeping or full-authority-navigation close to any ground-effect altitude which is, unfortunately, also the airspace where any accident is likely to cause the most collateral damage. No other form of transport has this problem and, with current tech, would seem insolvable without turning the airship into a poorly performing version of a plane or rotor-craft.