During President Trump's statement he has indicated no plans to abolish health insurance for Americans with pre existing conditions. The senate bill protects Americans living with pre-existing conditions.
The President has spoken a lot about health savings account. One key benefit that the President is planning to implement is higher contributions to a health savings account. A health savings account is used to pay for out of pocket medical expenses that is not covered by a health insurance plan.
The President's plan does help the middle class because the plan is intended to stabilize the health insurance market, by reducing cost, and eliminating the tax provision in the current law.
The health insurance market currently is scarce. In many States there is very few health insurance plans to choose from. The President wants to change that. When more companies compete, the better the outcome for the consumer.